Home / 12,828.97-19,243.41-10,248.31

Finding the Fourth Proportional to 12,828.97, 19,243.41 and 10,248.31

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Solution

The fourth proportional to 12,828.97, 19,243.41 and 10,248.31 is: 15,372.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,828.97 : 19,243.41 = 10,248.31 : x
  2. Step 2: Convert to fraction form
    12,828.97/19,243.41 = 10,248.31/x
  3. Step 3: Cross multiply
    12,828.97x = 19,243.41 × 10,248.31
  4. Step 4: Simplify right side
    12,828.97x = 197,212,431.14
  5. Step 5: Solve for x
    x = 197,212,431.14/12,828.97
  6. Step 6: Final answer
    x = 15,372.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.